3 years ago

Help! i cant figure this out.

Mathematics

1 answer:

drek231 [11]3 years ago

6 0

Answer:

65 cm squared

Step-by-step explanation:

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Find the value of c. 16 = 4 - 3c

dybincka [34]

Answer:

c = -4

Step-by-step explanation:

16 = 4 - 3c

subtract 4 from each side

16-4 = 4-4 - 3c

12 = -3c

Divide each side by -3

12/-3 = -3c/-3

-4 =c

6 0

3 years ago

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Determine the simple interest rate for each given principal, time, and simple interest earned.

Akimi4 [234]

Answer:

31.8%

Step-by-step explanation:

The formula for simple interest is I = PRT, where I = interest earned/paid, P = principal amount deposited or borrowed, R = rate of interest as a decimal, and T = time in years.

I = PRT

5720 = (1200)(R)(15)

5720 = 18,000R

R = 0.3177777, rounded to 31.8%

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3 years ago

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Can anyone explain me step two (in red)?<br> Thanks in advance.

larisa86 [58]

Answer:

umm

Step-by-step explanation:

5 0

3 years ago

Pretty pretty please if ur good at geometry!! Help a girl out!!

sweet-ann [11.9K]

Answer:

Yes, They are similar by SSS PMK similar to LMQ.

Step-by-step explanation:

Similar triangles corresponding side lengths are in a proportion.

KM corresponds with MQ

PM corresponds with LM.

Set up this proportion.

$\frac{km}{pm} = \frac{lm}{mq}$

$\frac{15}{28} = \frac{21}{39.2}$

Cross multiply

$588 = 588$

So the triangles ARE Similar.

PM corresponds with LM
KM corresponds with MQ
PK corresponds with LQ
So PMK is similar to LMQ

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3 years ago

Find the value of z.

Lelechka [254]

Answer:

Use Pythagoras Theorem

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2 years ago